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Which portion of the chorion primarily participates in the exchange process during pregnancy?Select one:a. Decidua basalisb. Chorion laevec. Chorion frondosumd. Decidua capsularis

Question

Which portion of the chorion primarily participates in the exchange process during pregnancy?Select one:a. Decidua basalisb. Chorion laevec. Chorion frondosumd. Decidua capsularis

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Solution

The portion of the chorion that primarily participates in the exchange process during pregnancy is the Chorion frondosum.

Here's a step-by-step explanation:

  1. The chorion is one of the membranes that exist during pregnancy between the developing fetus and mother. It involves in the formation of the placenta.

  2. The chorion has two parts: the chorion laeve and the chorion frondosum.

  3. The chorion laeve is the part of the chorion that does not form the placenta. It is smooth and does not participate in nutrient exchange.

  4. The chorion frondosum, on the other hand, is the part of the chorion that forms the fetal part of the placenta. It is this part that primarily participates in the exchange process during pregnancy.

  5. The decidua basalis and decidua capsularis are parts of the endometrium (the lining of the mother's uterus) and not the chorion.

So, the correct answer is c. Chorion frondosum.

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